Successful dieters engage in all of the following except
a) exercising 30 minutes a day.
b) planning meals.
c) taking vitamin supplements each day.
d) weighing themselves daily.

What’s the question exactly? i’d love to assist! would you mind rephrasing it? : )

Igot the answer, here you go dude. 

  consider  the  following scenario,  then describe  how  you might conduct  a  study using  ansrs,  convenience sample, and a  voluntary response sample.  you  are  interested  in  parents'  opinion  of the  war  in  iraq.  your population  is  parents  of  high school students.  your question  is, "do you  believe that the  war  in